Credential Manager
# Site User Password TOTP (Base32 or otpauth://) Actions
Limits: 16 characters for Site/User/Password. The table enforces it automatically.
Encrypted Backups (local / optional Drive)
AES-256-GCMPBKDF2-SHA256
Save backup (local)
Restore backup (local)
Google Drive (optional) — sign in to enable
Suggested scope: drive.file. Files saved as application/x-zerokeyusb+backup.
Firmware Updater
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Pick an option to prepare flashing.
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Protocol: HELLO, ERASE APP, WRITE addr len crc32, DONE. Use Bootloader (↩️ 1200 baud).

          

            
          

        

      

    


    

      

        

          

            

              
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Events